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   All Posts (a12datto120y)




Re: Crankshaft types
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Posted on: 2012/9/11 9:33
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Re: Crankshaft types
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used the same auto mount depends what gearbox you have mine had two mounting points i used the rear so i moved the auto mount back one as it has two mounting points.

i then reversed the rubber mounting held on by 4 small nuts. then from the top marked the position and drilled the holes.

I will try upload some pictures.

Posted on: 2012/9/11 9:20
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Re: Crankshaft types
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i did a auto to manual swap the only thing you need to do is remove the spacer and some may already have a spigot bearing in the crank if not you have to press one in.

Posted on: 2012/9/10 8:35
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Re: Datsun 510 build ;)
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Nice

these things are pretty fun my mate has a r32 awd not a drift chassis just normal he locked up the diff and we put in a brushless motor the thing flys but still has the nimh battery so only last 10 mins.

LIPO should last alot longer.

are you planning on drifting?

Posted on: 2012/9/5 15:40
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oval port head for sale
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this is not mine but came across it thought someone here might be interested.

http://www.ebay.com.au/itm/1109379282 ... m1423.l2649#ht_476wt_1417

Posted on: 2012/8/26 4:53
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Re: does increase in rpm increase power?
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i dont get valve bounce at 5000rpm just dosnt make power above it.

i thought that it valve bounces at 6200rpm which limits it's ability to rev further. dont think it the carby stopping it from reving over 6200 RPM could be the cam?

so with stock cam and just changing springs it should rev a bit more but will it make more power at the higher rpm or do you require a different cam and ported head?

Thanks!

Posted on: 2012/8/22 11:01
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does increase in rpm increase power?
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hi i was just thinking my A12 a the moment is fairly stock just with a weber 34/34 and extractors and it's max rpm is at 6200rpm.

the engine dosnt do much after 5000rpm but make noise so if you where to leave it as it is and just change the valve springs (double valve springs), will their be a power increase with the increase in RPM or will it still feel dead at 5000rpm and just rev with no power increase?

or is it that it makes no power above 5000rpm because of valve spring bounce?

Thanks!

Posted on: 2012/8/22 10:21
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Re: A15E injection Crank sensor
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maybe a hall effect sensor in the dizzy?

Posted on: 2012/8/19 6:16
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Re: random misfire?
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well the centre on the coil is sort of rusted i cleaned it as much a i could. the cap centre is fine.

Posted on: 2012/8/12 3:58
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Re: random misfire?
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hi thanks

the only fuel i use is 98 octane from shell or bp

but i was testing the resistance on my HT leads and i get around 6000-8000 ohms of resistance

i then checked the lead from the coil to the dizzy cap the multimeter was on 20k but would read nothing i set it to 200k then came with a value of 34 so i guess thats 34000 ohms?

i had a few HT leads lying around (new) so i made one up and so far around the block it has not misfired. Will see tomorrow when i take it for longer drive.

Posted on: 2012/8/12 3:22
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